perpetuable,a.rare.|pəˈpɛtjuːəb(ə)l| [f. L. perpetu-āre to perpetuate: see -able.] Capable of being perpetuated. 1885G. L. Goodale Physiol.Bot. (1892) 444 When once originated they [sports or varieties] are perpetuable by any of the processes of bud-propagation just described.